1908 - 1927

George PYTHON, Switzerland

1928 - 1932

Ernest PERRIE, Switzerland

1933 - 1953

Joseph PILLER, Switzerland

1954 - 1958

M. de RYCKE-GEERINCKX, Belgium

1958 - 1963

Isobel GIBSON, United Kingdom

1964 - 1973

Leny VOELLMY, Switzerland

1973

Mary ROBERTSON, United Kingdom

1973 - 1976

Isabel HORNE, Australia

1976 - 1980

Monica TUPAY, Austria

1980 - 1984

Margaret E. FITCH, USA

1984 - 1988

Margaret DALLOWAY, United Kingdom

1988 - 1992

Doris R. BADIR, Canada

1992 - 1996

Maria THIELE-WITTIG, Germany

1996 - 2000

Nancy L. GRANOVSKY, USA

2000 - 2004

Gertraud PICHLER, Austria

2004 - 2008

Lilha LEE, Korea

2008 - 2012

Geraldene B. HODELIN, Jamaica

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